internal/cache: document 'go clean -fuzzcache' in README

Fixes: #48900
Change-Id: I9235441886ed7cbdfdcbd283480f52d9216c3ea2
Reviewed-on: https://go-review.googlesource.com/c/go/+/357233
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Katie Hockman <katie@golang.org>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Katie Hockman <katie@golang.org>

diff --git a/src/cmd/go/internal/cache/default.go b/src/cmd/go/internal/cache/default.go
index 0b1c1e0c203511ca619e8f0a409e088af9c35b0b..426dddfb978624a1843bdc6df66fdd7e96eb2ca6 100644 (file)
--- a/src/cmd/go/internal/cache/default.go
+++ b/src/cmd/go/internal/cache/default.go
@@ -30,6 +30,7 @@ var (
 // README as a courtesy to explain where it came from.
 const cacheREADME = `This directory holds cached build artifacts from the Go build system.
 Run "go clean -cache" if the directory is getting too large.
+Run "go clean -fuzzcache" to delete the fuzz cache.
 See golang.org to learn more about Go.
 `